package org.bug2222.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import lombok.extern.slf4j.Slf4j;
import org.bug2222.reggie.common.R;
import org.bug2222.reggie.entity.User;
import org.bug2222.reggie.service.UserService;
import org.bug2222.reggie.utils.SMSUtils;
import org.bug2222.reggie.utils.ValidateCodeUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpSession;
import java.util.Map;
import java.util.concurrent.TimeUnit;

@Slf4j
@RestController
@RequestMapping("/user")
public class UserController {
    @Autowired
    private UserService userService;
    @Autowired
    private RedisTemplate redisTemplate;

    @PostMapping("/sendMsg")
    public R<String> sendMsg(@RequestBody User user, HttpSession session) {

        //获取手机号
        String phone = user.getPhone();
        if (!StringUtils.isEmpty(phone)) {
            //生成随机的四位验证码

            String code = ValidateCodeUtils.generateValidateCode(4).toString();
            log.info(code);
            //调用阿里云的短信服务发送短信
            //SMSUtils.sendMessage("瑞吉外卖", "", phone, code);

            //将需要生成的验证码保存到session
            //session.setAttribute(phone,code);

            //将生成的验证码缓存到redis中，限时五分钟
            redisTemplate.opsForValue().set(phone,code,5, TimeUnit.MINUTES);


            return R.success("手机验证码短信发送成功");

        }
        return R.success("短信发送失败");
    }

    /**
     * 移动端用户登录
     * @param map
     * @return
     */
    @PostMapping("/login")
    public R<User> sendMsg(@RequestBody Map map, HttpSession session){
        log.info("map{}",map);
        //获取手机号
        String phone = map.get("phone").toString();
        //获取验证码
        String code = map.get("code").toString();
        //从session中获取保存的验证码
        //Object codeInSession = session.getAttribute(phone);

        //从redis中获取验证码
        Object codeInSession =redisTemplate.opsForValue().get(phone);

        if (codeInSession !=null && codeInSession.equals(code)){
            //如果能够对比成功，登陆成功
            //判断是否为新用户，如果是，自动注册
            LambdaQueryWrapper<User> queryWrapper = new LambdaQueryWrapper<>();
            queryWrapper.eq(User::getPhone,phone);
            User user = userService.getOne(queryWrapper);
            if (user==null) {
                user = new User();
                user.setPhone(phone);
                user.setStatus(1);
                userService.save(user);
            }
            session.setAttribute("user",user.getId());
            //如果登录成功，删除redis中的验证码
            redisTemplate.delete(phone);
            return R.success(user);
        }
        return R.error("验证码错误");
    }



}
